The Sun is just one star in 200 billion in the Milky Way.
Venus, not Earth, is the best-mapped planet in the solar system, with 98% of its surface mapped.
The space between Mars and Jupiter is filled with a population of irregularly shaped chunks of rock and metal called asteroids. Scientists believe the asteroids are pieces of a planet that never formed.
Earth's moon is large enough to cover the sun completely from Earth's point of view.
Pluto is no longer considered a planet.
One of Saturn's moons called Hyperion is shaped sort of like a hamburger patty and rotates chaotically because of the gravitational influence of nearby Titan, another of Saturn's many moons.
Fun Websites
Go here to play fun games and learn more about the Solar System.
Go here to watch an interesting video on the Solar System.
Lesson Plan
Student Activities
Scavenger Hunt
Teacher Resources
The Solar System: Fun Facts
Fun Websites